Miles between Kansas City, MO and Boulder, CO

There are
623 mi
from Kansas City, MO to Boulder, CO

That's the driving distance. It would take 10 hours 39 mins to go from Kansas City, Missouri to Boulder, Colorado.

The flight distance (direct flight from Kansas City, MO to Boulder, CO) is 572.73 mi.

623 mi = 1,001.91 kms